Home / 28,684.71-43,013.07-8,963.22

Finding the Fourth Proportional to 28,684.71, 43,013.07 and 8,963.22

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Solution

The fourth proportional to 28,684.71, 43,013.07 and 8,963.22 is: 13,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.71 : 43,013.07 = 8,963.22 : x
  2. Step 2: Convert to fraction form
    28,684.71/43,013.07 = 8,963.22/x
  3. Step 3: Cross multiply
    28,684.71x = 43,013.07 × 8,963.22
  4. Step 4: Simplify right side
    28,684.71x = 385,535,609.29
  5. Step 5: Solve for x
    x = 385,535,609.29/28,684.71
  6. Step 6: Final answer
    x = 13,440.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.